<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .scroll{
            flex-wrap: nowrap;
            overflow: scroll;
        }
        .box_box{
            display: flex;
        }
        .box{
            flex-shrink: 0;
            width: 40vw;
            height: 20vh;
            background: red;
            border:1px solid blue;
        }
    </style>
</head>
<body>
    <div class="scroll">
        <div class="box_box">
            <div class="box"></div>
            <div class="box"></div>
            <div class="box"></div>
            <div class="box"></div>
        </div>
    </div>
</body>
</html>